Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0f68d45d422d762…

MALICIOUS

PDF

12.5 KB
MD5: aadd21aa158ff810589601899a784725 SHA-1: 418eb6b751afae6be3bed8ca6eef56371350f9b8 SHA-256: e0f68d45d422d7620e24cefae343611a6bd3227073ab7348d4eeb638335923de
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection, indicating malicious intent. Embedded JavaScript, detected at offset 0x12C and within a JS stream at offset 0x19A, is likely responsible for executing the malicious payload. The ClamAV detection name 'Win.Trojan.Agent-36280' suggests a trojan agent, commonly used for downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0076_000.js
7ba3a4bb6c998086c67ef7adb6def5a99251b1336069b0f5a24a21397b6e9d6f
pdf-javascript-stream PDF /JS object 76 at offset 0x383 11699 bytes